Home / 10,071.83-15,107.76-3,830.38

Finding the Fourth Proportional to 10,071.83, 15,107.76 and 3,830.38

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Solution

The fourth proportional to 10,071.83, 15,107.76 and 3,830.38 is: 5,745.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,071.83 : 15,107.76 = 3,830.38 : x
  2. Step 2: Convert to fraction form
    10,071.83/15,107.76 = 3,830.38/x
  3. Step 3: Cross multiply
    10,071.83x = 15,107.76 × 3,830.38
  4. Step 4: Simplify right side
    10,071.83x = 57,868,423.98
  5. Step 5: Solve for x
    x = 57,868,423.98/10,071.83
  6. Step 6: Final answer
    x = 5,745.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.